Tool holder for thread milling cutters Made of hardened alloy steel ISO 7388-2 (JIS B 6339 MAS/BT) Form AD/B Hardened 58 ± 2 HRC With a tensile strength in the core after case hardening of approx. 950 N/mm² and a case hardening depth of at least 0.5 mm Taper DIN 254 ​​Taper angle tolerance AT3 Taper surface accuracy Ra < 1 μm Concentricity accuracy ≤ 0.01 mm Balancing quality G 2.5 at 25000 min-1

Taper shank: BT 40

Metric thread: M6

Projection length: 77 mm

Inner-Ø: 6.5 mm

smallest Ø: 10 mm

Largest Ø: 20 mm

Brand: FORTIS

Manufacturer: Einkaufsbüro Deutscher Eisenhändler GmbH

Country of origin: PR China

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